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Colour, 2nd Edition by David Hornung

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5 . COLOR INTERACTION

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“In visual perception a color is almost never seen as it really is – as it physically is. This fact makes color the most relative medium in art.”

Josef Albers, The Visual Nature of Color

 

AFTERIMAGES

Painters commonly experience the surprise of carefully mixing a color on the palette and then seeing it change when it is placed among other colors in a painting. The appearance of a color is affected by its neighbors, sometimes subtly, sometimes dramatically. This is caused by an aspect of vision that makes a halo effect called an AFTERIMAGE appear to surround individual shapes of colors and noncolors (black, white, and achromatic ...

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